Minix1.5/include/minix/callnr.h

#define NCALLS		  70	/* number of system calls allowed */

#define EXIT		   1 
#define FORK		   2 
#define READ		   3 
#define WRITE		   4 
#define OPEN		   5 
#define CLOSE		   6 
#define WAIT		   7
#define CREAT		   8 
#define LINK		   9 
#define UNLINK		  10 
#define CHDIR		  12 
#define TIME		  13
#define MKNOD		  14 
#define CHMOD		  15 
#define CHOWN		  16 
#define BRK		  17
#define STAT		  18 
#define LSEEK		  19
#define GETPID		  20
#define MOUNT		  21 
#define UMOUNT		  22 
#define SETUID		  23
#define GETUID		  24
#define STIME		  25
#define PTRACE		  26
#define ALARM		  27
#define FSTAT		  28 
#define PAUSE		  29
#define UTIME		  30 
#define ACCESS		  33 
#define SYNC		  36 
#define KILL		  37
#define RENAME		  38
#define MKDIR		  39
#define RMDIR		  40
#define DUP		  41 
#define PIPE		  42 
#define TIMES		  43
#define SETGID		  46
#define GETGID		  47
#define SIGNAL		  48
#define IOCTL		  54
#define FCNTL		  55
#define EXEC		  59
#define UMASK		  60 
#define CHROOT		  61 

/* The following are not system calls, but are processed like them. */
#define KSIG		  64	/* kernel detected a signal */
#define UNPAUSE		  65	/* to MM or FS: check for EINTR */
#define BRK2		  66	/* to MM: used to say how big FS & INIT are */
#define REVIVE	 	  67	/* to FS: revive a sleeping process */
#define TASK_REPLY	  68	/* to FS: reply code from tty task */

/* The following IS a system call for amoeba transactions */
#define	AM_SYSCALL	  69