OrionLibC

#include <fcntl.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <errno.h>

/* Open a file */
int
open(const char *name, int flags, ...)
{
	int ret;
	if (flags & O_CREATE) {
		asm volatile("int $0x80" : "=a" (ret) : "0" (SYSCALL_OPEN),
		             "c" (3), "S" (&name));
	} else {
		asm volatile("int $0x80" : "=a" (ret) : "0" (SYSCALL_OPEN),
		             "c" (2), "S" (&name));
	}

	if (ret >= 0)
		return ret;
	errno = -ret;
	return -1;
}

/* Create a file */
int
create(const char *name, mode_t mode)
{
	return open(name, O_CREATE | O_WRONLY | O_TRUNC, mode);
}