OrionLibC

#include <sys/stat.h>
#include <sys/syscall.h>
#include <errno.h>

/* Make a directory */
int
mkdir(const char *pathname, mode_t mode)
{
	int ret;
	asm volatile("int $0x80" : "=a" (ret) : "0" (SYSCALL_MKDIR),
	             "c" (2), "S" (&pathname));
	if (ret >= 0)
		return ret;
	errno = -ret;
	return -1;
}