input in c programming code example

Example 1: Syntax To Take Input In C

Integer: Input: scanf("%d", &intVariable); Output: printf("%d", intVariable);
Float: Input: scanf("%f", &floatVariable); Output: printf("%f", floatVariable);
Character: Input: scanf("%c", &charVariable); Output: printf("%c", charVariable);

Example 2: fputs in c

#include 

int main () {
   FILE *fp;
   int c;

   fp = fopen("file.txt","r");
   while(1) {
      c = fgetc(fp);
      if( feof(fp) ) {
         break ;
      }
      printf("%c", c);
   }
   fclose(fp);
   return(0);
}