#include <fcntl.h> #include <sys/stat.h> /* for mode definitions */ int creat(const char *filename, mode_t mode);
This function creates the given file and opens it for writing. If the
file exists, it is truncated to zero size, unless it is read-only, in
which case the function fails. If the file does not exist, it will be
created read-only if mode does not have S_IWUSR
set.
A file descriptor >= 0, or a negative number on error.
not ANSI, POSIX
int fd = creat("data", S_IRUSR|S_IWUSR); write(fd, buf, 1024); close(fd);
Go to the first, previous, next, last section, table of contents.