int getc(FILE *stream);

Returns next character from (input) stream stream, or EOF on end-of-file or error.

/* 
 * getc example code
 * http://code-reference.com/c/stdio.h/getc
 */
 
#include <stdio.h> /* including standard library */
//#include <windows.h> /* uncomment this for Windows */
 
 
int main( void )
{
    FILE *stream;
    int c;
 
    if((stream=fopen("test.txt","r"))==NULL) {
        printf("Cannot open file.\n");
        return 1;
    }
 
   while((c = getc(stream) ) != EOF) {
        printf("%c", c);
     }
 
   fclose(stream);
   return 0;
}

content of test.txt

Test example file for code-reference.com getc source code

  ./getc 
  Test example file for code-reference.com getc source code