C getc

getc() function is C library function, and it's used to read a character from a file that has been opened in read mode by fopen() function.

Syntax:
int getc( FILE * stream );

Return Value

  • getc() function returns next requested object from the stream on success.
  • Character values are returned as an unsigned char cast to an int or EOF on end of file or error.
  • The function feof() and ferror() to distinguish between end-of-file and error must be used.
Example:
#include<stdio.h>
 
int main()
{
  FILE *fp = fopen("fileName.txt", "r");
  int ch = getc(fp);
  while (ch != EOF)
  {
    /* To display the contents of the file on the screen */    putchar(ch);
 
    ch = getc(fp);
  }
   
  if (feof(fp))
     printf("\n Reached the end of file.");
  else
     printf("\n Something gone wrong.");
  fclose(fp);
     
  getchar();
  return 0;
}

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