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| | creat - create a new file or rewrite an existing one |
SYNOPSIS
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#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h> int creat(const char *path, mode_t mode); |
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The function call
creat(path, mode)
is equivalent to:
open(path, O_WRONLY | O_CREAT | O_TRUNC, mode)
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| | Example 1. Creating a File
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The following example creates the file /tmp/file with read and write permissions for the file owner and read permission for group and others. The resulting file descriptor is assigned to the fd variable.
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#include <fcntl.h>
...
int fd;
mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
char *filename = "/tmp/file";
...
fd = creat(filename, mode);
...
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The creat() function has a transitional interface for 64-bit file offsets. See lf64(5).
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See attributes(5) for descriptions of the following attributes:
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
| MT-Level | Async-Signal-Safe |
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