Answer Posted / vadivel

#include <stdio.h>
int count[26];
int main()
{
FILE *f;
int i;
char ch;
f = fopen("capti.c","r");
while(!feof(f))
{
ch = fgetc(f);
count[ch - 'a']++;
}
for(i = 0;i < 26;i++)
printf("count[%c] = %d\n",65+i,count[i]);
fclose(f);
return 0;
}
//asuming only lower characters are required

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