github.com/afumu/libc@v0.0.6/musl/src/misc/getresgid.c (about)

     1  #define _GNU_SOURCE
     2  #include <unistd.h>
     3  #include "syscall.h"
     4  
     5  int getresgid(gid_t *rgid, gid_t *egid, gid_t *sgid)
     6  {
     7  	return syscall(SYS_getresgid, rgid, egid, sgid);
     8  }