syscall.h

#define SYS_exit    1
#define SYS_fork    2

#define SYS_read    3
#define SYS_write   4
#define SYS_open    5
#define SYS_close   6
#define SYS_wait4   7
#define SYS_creat   8
#define SYS_link    9
#define SYS_unlink  10
#define SYS_execv   11
#define SYS_chdir   12
#define SYS_mknod   14
#define SYS_chmod   15
#define SYS_chown   16
#define SYS_lseek   19
#define SYS_getpid  20
#define SYS_isatty      21
#define SYS_fstat       22
#define SYS_time    23

#define SYS_ARG     24
#define SYS_stat    38

#define SYS_pipe    42
#define SYS_execve  59

#define SYS_utime       201 /* not really a system call */
#define SYS_wait        202 /* nor is this */

int __trap34(int, int, void*, int );