.Fd #include <sys/syscall.h>
.Fd #include <unistd.h>
int syscall int number ...
DESCRIPTION
Syscall
performs the system call whose assembly language
interface has the specified
number
with the specified arguments.
Symbolic constants for system calls can be found in the header file
<sys/syscall.h>.
RETURN VALUES
The return value is defined by the system call being invoked.
In general, a 0 return value indicates success.
A -1 return value indicates an error,
and an error code is stored in
errno.
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