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fputc() Function in C Programming Language
fputc() Function in C
Write character to stream. Writes a character to the stream and advances the position indicator. The character is written at the position indicated by the internal position indicator of the stream, which is then automatically advanced by one.
fputc() function is a file handling function in C programming language which is used to write a character into a file. It writes a single character at a time in a file and moves the file pointer position to the next address/location to write the next character.
Syntax for fputc() Function in C
#include <stdio.h>
int fputc ( int character, FILE * stream );
character
The int promotion of the character to be written. The value is internally converted to an unsigned char when written.
stream
Pointer to a FILE object that identifies an output stream.
On success, the character written is returned.
If a writing error occurs, EOF is returned and the error indicator (ferror) is set.
/* write a character to the stream and advance the position indicator by fputc() function example */
#include<stdio.h>
#include<stdlib.h>
int main()
{
int ch;
FILE *fp;
fp = fopen("myfile.txt", "w");
if(fp == NULL)
{
printf("Error opening file\n");
exit(1);
}
printf("Press Ctrl+Z in DOS and Ctrl+D\n\
in Linux to stop reading more characters\n\n");
printf("Enter text: ");
while( (ch=getchar()) != EOF )
{
fputc(ch, fp);
}
fclose(fp);
return 0;
}
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