我有一个示例程序无法使用-std = c99进行编译
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#include <pthread.h> int main(void) { pthread_rwlock_t myLock; return 0; } output of the two compiles: gcc pthread_test.c [brad@fedora17onbradsmacpro src]$gcc pthread_test.c [brad@fedora17onbradsmacpro src]$ gcc -std=c99 pthread_test.c[brad@fedora17onbradsmacpro src]$gcc -std=c99 pthread_test.c pthread_test.c: In function ‘main’: pthread_test.c:5:2: error: unkNown type name ‘pthread_rwlock_t’ [brad@fedora17onbradsmacpro src]$