The putc() function is a C library function, which is used to write a character to a file. This function is used to write a single character to the stream as well as advance the position of the indicator. This tutorial guides you on how to use the putc() function in the C program.


int putc( int c, FILE * stream );


int main (void)
    FILE * fileName;
    char ch;
    fileName = fopen("anything.txt","wt");
    for (ch = 'D' ; ch <= 'S' ; ch++) {
        putc (ch , fileName);
    fclose (fileName);
    return 0;

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