setvbuf

C++ Reference

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cppreference.com > Standard C I/O > setvbuf
setvbuf
Syntax: 
  #include <stdio.h>
  int setvbuf( FILE *stream, char *buffer, int mode, size_t size );

The function setvbuf() sets the buffer for stream to be buffer, with a size of size. mode can be:

  • _IOFBF, which indicates full buffering
  • _IOLBF, which means line buffering
  • _IONBF, which means no buffering
Related topics:
setbuf
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