为什么这段代码用clang而不是gcc编译？我正在学习C语言中的不透明结构_C_Gcc_Clang

为什么这段代码用clang而不是gcc编译？我正在学习C语言中的不透明结构

c gcc clang

为什么这段代码用clang而不是gcc编译？我正在学习C语言中的不透明结构,c,gcc,clang,C,Gcc,Clang,我正在学习C中的不透明结构。我有一个头文件，其中我使用了不透明的结构和API。然后，我将实现移动到一个.c文件，为应用程序创建一个测试文件。当我试着用clang[Apple clang version 11.0.3（clang-1103.0.32.62）]这个应用程序编译并运行它时，它确实如预期的那样工作，当我使用gcc[gcc-10（自制gcc 10.2.0）10.2.0]时失败我在下面列出了源代码计数器.h #如果取消我的计数器# #定义我的计数器 typedef结构计数器； /*原型*

我正在学习C中的不透明结构。我有一个头文件，其中我使用了不透明的结构和API。然后，我将实现移动到一个.c文件，为应用程序创建一个测试文件。当我试着用clang[Apple clang version 11.0.3（clang-1103.0.32.62）]这个应用程序编译并运行它时，它确实如预期的那样工作，当我使用gcc[gcc-10（自制gcc 10.2.0）10.2.0]时失败
我在下面列出了源代码
计数器.h

#如果取消我的计数器# #定义我的计数器 typedef结构计数器； /*原型*/ 计数器*计数器创建（无效）；无效反销毁（计数器*c）； int计数器增量（计数器*c）； #恩迪夫
计数器.c

#包括 #包括 #包括 #包括“counter.h” 结构计数器{ int值； }; /*创建一个计数器*/ 计数器*计数器创建（无效） { 计数器*c； c=（计数器*）malloc（计数器大小）；断言（c）； c->value=0；返回c； } /*释放计数器拥有的内存插槽*/ 无效反销毁（计数器*c） { 免费（c）； } /*递增计数器中的当前值并返回它*/ int计数器增量（计数器*c） { 返回++（c->value）； }
tstCounter.c

#包括 #包括“counter.h” 内部主（空） { 计数器*c； c=计数器创建（）； int值；而（（值=反增量（c））<10）{ printf（“%d”，值）； } putchar（'\n'）；反破坏（c）；返回0； }
下面是如何使用clang编译代码：

clang-Wall-Wextra-c counter.c 叮当声-Wall-Wextra-c tstCounter.c 叮当声计数器.o tstCounter.o-o counterEXE # #然后执行过程如下所示： /counterEXE #产生以下输出： 1 2 3 4 5 6 7 8 9
但同样的过程在gcc中失败了

gcc -Wall -Wextra -c counter.c
产生以下输出：

In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/wait.h:110, from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:66, from counter.c:5: /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/resource.h: In function 'getiopolicy_np': /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/resource.h:447:34: error: expected declaration specifiers before '__OSX_AVAILABLE_STARTING' 447 | int getiopolicy_np(int, int) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0); /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/resource.h:453:39: error: expected '=', ',', ';', 'asm' or '__attribute__' before '__OSX_AVAILABLE_STARTING' 453 | int setiopolicy_np(int, int, int) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0); | ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/libkern/_OSByteOrder.h:66, from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_endian.h:130, from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/i386/endian.h:99, from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/machine/endian.h:35, from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/wait.h:186, from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:66, from counter.c:5: /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/libkern/i386/_OSByteOrder.h:49:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 49 | { | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/libkern/i386/_OSByteOrder.h:58:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 58 | { | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/libkern/i386/_OSByteOrder.h:96:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 96 | { | ^ In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:77, from counter.c:5: /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types/_ct_rune_t.h:32:28: error: storage class specified for parameter 'ct_rune_t' 32 | typedef __darwin_ct_rune_t ct_rune_t; | ^~~~~~~~~ In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:78, from counter.c:5: /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types/_rune_t.h:31:25: error: storage class specified for parameter 'rune_t' 31 | typedef __darwin_rune_t rune_t; | ^~~~~~ In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:81, from counter.c:5: /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types/_wchar_t.h:34:26: error: storage class specified for parameter 'wchar_t' 34 | typedef __darwin_wchar_t wchar_t; | ^~~~~~~ In file included from counter.c:5: /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:86:3: error: storage class specified for parameter 'div_t' 86 | } div_t; | ^~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:91:3: error: storage class specified for parameter 'ldiv_t' 91 | } ldiv_t; | ^~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:97:3: error: storage class specified for parameter 'lldiv_t' 97 | } lldiv_t; | ^~~~~~~ In file included from counter.c:5: /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:118:12: error: sto rage class specified for parameter '__mb_cur_max' 118 | extern int __mb_cur_max; | ^~~~~~~~~~~~ In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:128, from counter.c:5: /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/malloc/_malloc.h:52:74: error: expected '=', ',', ';', 'asm' or '__attribute__' before '__OSX_AVAILABLE_STARTING' 52 | int posix_memalign(void **__memptr, size_t __alignment, size_t __size) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_0); | ~~~~~~~~~ In file included from counter.c:5: /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:144:1: error: expected declaration specifiers before 'div_t' 144 | div_t div(int, int) __pure2; | ^~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:149:1: error: expected declaration specifiers before 'ldiv_t' 149 | ldiv_t ldiv(long, long) __pure2; | ^~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:153:1: error: expe cted declaration specifiers before 'lldiv_t' 153 | lldiv_t lldiv(long long, long long); | ^~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:157:18: error: expected declaration specifiers or '...' before 'wchar_t' 157 | size_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t); | ^~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:158:13: error: expected declaration specifiers or '...' before 'wchar_t' 158 | int mbtowc(wchar_t * __restrict, const char * __restrict, size_t); | ^~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:194:51: error: expected ';', ',' or ')' before '*' token 194 | size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t); | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:195:21: error: expected declaration specifiers or '...' before 'wchar_t' 195 | int wctomb(char *, wchar_t); | ^~~~~~~ In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:260, from counter.c:5: /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types/_dev_t.h:31:31: error: storage class specified for parameter 'dev_t' 31 | typedef __darwin_dev_t dev_t; /* device number */ | ^~~~~ In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:261, from counter.c:5: /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types/_mode_t.h:31:33: error: storage class specified for parameter 'mode_t' 31 | typedef __darwin_mode_t mode_t; | ^~~~~~ In file included from counter.c:5: /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:270:53: error: expected '=', ',', ';', 'asm' or '__attribute__' before '__OSX_AVAILABLE_STARTING' 270 | void arc4random_buf(void * __buf, size_t __nbytes) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); | ^~~~~~~~~~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:273:46: error: expected '=', ',', ';', 'asm' or '__attribute__' before '__OSX_AVAILABLE_STARTING' 273 | arc4random_uniform(uint32_t __upper_bound) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3); | In file included from counter.c:5: /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:292:45: error: expected ',' or ';' before '__OSX_AVAILABLE_BUT_DEPRECATED_MSG' 292 | int daemon(int, int) __DARWIN_1050(daemon) __OSX_AVAILABLE_BUT_DEPRECATED_MSG(__MAC_10_0, __MAC_10_5, __IPHONE_2_0, __IPHONE_2_0, "Use posix_spawn APIs instead.") __WATCHOS_PROHIBITED __TVOS_PROHIBITED; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:294:31: error: expected ')' before 'char' 294 | char *devname_r(dev_t, mode_t, char *buf, int len); | ^~~~~ | ) /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:325:6: error: expected '=', ',', ';', 'asm' or '__attribute__' before '__OSX_AVAILABLE_STARTING' 325 | __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2); | ^~~~~~~~~~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:333:6: error: expected '=', ',', ';', 'asm' or '__attribute__' before '__OSX_AVAILABLE_STARTING' 333 | __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2); | ^~~~~~~~~~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:356:14: error: storage class specified for parameter 'suboptarg' 356 | extern char *suboptarg; /* getsubopt(3) external variable */ | ^~~~~~~~~ In file included from counter.c:8: counter.h:6:24: error: storage class specified for parameter 'Counter' 6 | typedef struct counter Counter; | ^~~~~~~ counter.h:9:1: error: expected declaration specifiers before 'Counter' 9 | Counter *counterCreate(void); | ^~~~~~~ counter.h:10:21: error: expected declaration specifiers or '...' before 'Counter' 10 | void counterDestroy(Counter *); | ^~~~~~~ counter.h:11:22: error: expected declaration specifiers or '...' before 'Counter' 11 | int counterIncrement(Counter *); | ^~~~~~~ counter.c:11:1: warning: empty declaration 11 | struct counter { | ^~~~~~ counter.c:18:1: error: expected declaration specifiers before 'Counter' 18 | Counter *counterCreate(void) | ^~~~~~~ counter.c:30:21: error: expected declaration specifiers or '...' before 'Counter' 30 | void counterDestroy(Counter *c) | ^~~~~~~ counter.c:36:22: error: expected declaration specifiers or '...' before 'Counter' 36 | int counterIncrement(Counter *c) | ^~~~~~~ In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/wait.h:110, from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdlib.h:66, from counter.c:5: /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/resource.h:447:9: error: old-style parameter declarations in prototyped function definition 447 | int getiopolicy_np(int, int) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0); | ^~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/resource.h:447:24: error: parameter name omitted 447 | int getiopolicy_np(int, int) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0); | ^~~ /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/resource.h:447:29: error: parameter name omitted 447 | int getiopolicy_np(int, int) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0); | ^~~ counter.c:39: error: expected '{' at end of input | ^~~ /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/resource.h:447:29: error: parameter name omitted 447 | int getiopolicy_np(int, int) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0); | ^~~ counter.c:39: error: expected '{' at end of input 39 | } | counter.c:39: warning: control reaches end of non-void function [-Wreturn-type] 39 | } |

如果有人能帮助我理解为什么gcc出现此错误，我将不胜感激。提前感谢您。
您的gcc安装似乎有问题。你能编译一个只包含
#include
的文件吗？另外，这是counter.c的确切内容吗？编译器输出表明在显示之前还有4行。错误来自
\include
，它位于
\include“counter.h”
之前。不可能是计数器代码导致了这种情况。gcc最近是否与OSX一起工作？这似乎是gcc安装的问题。你能编译一个只包含
#include
的文件吗？另外，这是counter.c的确切内容吗？编译器输出表明在显示之前还有4行。错误来自
\include
，它位于
\include“counter.h”
之前。不可能是计数器代码导致了这种情况。现在gcc与OSX一起工作吗？