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fopen
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Include: <stdio.h>
Syntax: FILE *fopen( char *filename, char *mode );
mode: r, w, a, r+, w+, a+
(t or b appended to <mode> indicates type)
Returns: a pointer to the open file if successful, or NULL if not.
See also: fclose, fdopen, ferror, fileno, freopen, open, setmode
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