relibc/include/sys/types.h

#ifndef _SYS_TYPES_H
#define _SYS_TYPES_H

typedef int gid_t;
typedef int uid_t;

typedef long off_t;

typedef int pid_t;

typedef unsigned long size_t;
typedef long ssize_t;

typedef int useconds_t;

#endif /* _SYS_TYPES_H */