NAME

syscall − indirect system call

SYNOPSIS

/usr/ucb/cc [ flag. . . ] file . . .

#include <sys/syscall.h>

int syscall(number, arg, ...)

DESCRIPTION

syscall performs the system call whose assembly language interface has the specified number, and arguments arg .... Symbolic constants for system calls can be found in the header file /usr/include/sys/syscall.h. 

RETURN VALUE

When the C-bit is set, syscall returns −1 and sets the external variable errno [see intro(2)]. 

SEE ALSO

intro(2), pipe(2). 

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