в 14:20, 25 мая 2010

2010-05-25T14:20:56Z

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2010-05-25T10:23:06Z

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==freopen: associates an existing stream with a different file==

<source lang="cpp">

//Header file: #include <stdio.h>
//Declaration: FILE *freopen(const char *fname, const char *mode, FILE *stream);
//Return: returns a pointer to stream on success or a null pointer on failure.
//Legal Values for the mode Parameter

//Mode Meaning
//"r": Open text file for reading
//"w": Create a text file for writing
//"a": Append to text file
//"rb": Open binary file for reading
//"wb": Create binary file for writing
//"ab": Append to a binary file
//"r+": Open text file for read/write
//"w+": Create text file for read/write
//"a+": Open text file for read/write
//"rb+" or "r+b": Open binary file for read/write
//"wb+" or "w+b": Create binary file for read/write
//"ab+" or "a+b": Open binary file for read/write

#include <stdio.h>
#include <stdlib.h>
int main(void)
{
FILE *fp;
printf("This will display on the screen.\n");
if((fp=freopen("OUT", "w" ,stdout))==NULL) {
printf("Cannot open file.\n");
exit(1);
}
printf("This will be written to the file OUT.");
fclose(fp);
return 0;
}

</source>

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C/stdio.h/freopen - История изменений

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