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

     1  #define _GNU_SOURCE
     2  #include <unistd.h>
     3  #include "syscall.h"
     4  
     5  int getresuid(uid_t *ruid, uid_t *euid, uid_t *suid)
     6  {
     7  	return syscall(SYS_getresuid, ruid, euid, suid);
     8  }