関連ワード:  warning implicit declaration of function c    warning implicit declaration of function close    warning implicit declaration of function close did you mean pclose    warning implicit declaration of function clock_gettime    warning implicit declaration of function chmod    warning implicit declaration of function calloc    warning implicit declaration of function clrscr    warning implicit declaration of function pthread_create    warning implicit declaration of function memfd_create    warning implicit declaration of function is invalid in c99  
結果 : warning implicit declaration of function c