fsuid.h\sys\include - musl - musl - an implementation of the standard library for Linux-based systems

#ifndef _SYS_FSUID_H
#define _SYS_FSUID_H
#ifdef __cplusplus
extern "C" {
#endif
#define __NEED_uid_t
#define __NEED_gid_t
#include <bits/alltypes.h>
int setfsuid(uid_t);
int setfsgid(gid_t);
#ifdef __cplusplus
}
#endif
#endif