creat(2) - osol9

1creat(2)                         System Calls                         creat(2)
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NAME

6       creat - create a new file or rewrite an existing one
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SYNOPSIS

9       #include <sys/stat.h>
10       #include <fcntl.h>
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12       int creat(const char *path, mode_t mode);
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DESCRIPTION

16       The function call
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19       creat(path, mode)
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22       is equivalent to:
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25       open(path, O_WRONLY | O_CREAT | O_TRUNC, mode)
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RETURN VALUES

28       Refer to open(2).
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ERRORS

31       Refer to open(2).
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EXAMPLES

34       Example 1 Creating a File
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37       The  following  example  creates the file /tmp/file with read and write
38       permissions for the file owner and read permission for group  and  oth‐
39       ers. The resulting file descriptor is assigned to the fd variable.
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42         #include <fcntl.h>
43         ...
44         int fd;
45         mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
46         char *filename = "/tmp/file";
47         ...
48         fd = creat(filename, mode);
49         ...
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USAGE

53       The  creat() function has a transitional interface for 64-bit file off‐
54       sets.  See lf64(5).
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ATTRIBUTES

57       See attributes(5) for descriptions of the following attributes:
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62       ┌─────────────────────────────┬─────────────────────────────┐
63       │      ATTRIBUTE TYPE         │      ATTRIBUTE VALUE        │
64       ├─────────────────────────────┼─────────────────────────────┤
65       │Interface Stability          │Standard                     │
66       ├─────────────────────────────┼─────────────────────────────┤
67       │MT-Level                     │Async-Signal-Safe            │
68       └─────────────────────────────┴─────────────────────────────┘
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