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| xt_ffopen(3) | FreeBSD Library Functions Manual | xt_ffopen(3) |
LIBRARY
#include <xtend/file.h> -lxtend
SYNOPSIS
ffile_t *xt_ffopen(const char *filename, int flags)
ARGUMENTS
filename: Name of the file to be opened mode: "r" or "w", passed to fopen() or popen()
DESCRIPTION
xt_ffopen(3) opens a raw data file using fopen() or a gzipped, bzipped, or xzipped file using popen(), returning a pointer to a ffile_t stream. Must be used in conjunction with xt_ffclose() to ensure that ffclose() or ffpclose() is called where appropriate.The ffile_t system is simpler than and several times as fast as FILE on typical systems. It is intended for processing large files character-by-character, where low-level block I/O is not convenient, but FILE I/O causes a bottleneck.
RETURN VALUES
A pointer to the FILE structure or NULL if open failedSEE ALSO
fopen(3), popen(3), gzip(1), bzip2(1), xz(1)
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