/*
 * C Program to replace first letter of every word with caps
 */
#include <stdio.h>
#include <stdlib.h>

void main(int argc, char *argv[])
{
    FILE *fp1;
    int return_val;
    if ((fp1 = fopen(argv[1],"r+")) =  = NULL)
        {
            printf("file cant be opened");
            exit(0);
        }
    return_val = init_cap_file(fp1);
    if (return_val == 1)
        {
            printf("\nsuccess");
        }
    else
        {
            printf("\n failure");
        }
}

int init_cap_file(FILE *fp1)
{
    char ch;
    ch = fgetc(fp1);
    if (ch >= 97 && ch <= 122)
        {
            fseek(fp1, -1L, 1);
            fputc(ch - 32, fp1);
        }
    while (ch != EOF)
        {
            if (ch = = ' '|| ch == '\n')
                {
                    ch = fgetc(fp1);
                    if (ch >= 97 && ch <= 122)
                        {
                            fseek(fp1, -1L, 1);
                            fputc(ch - 32, fp1);
                        }
                }
            else
                ch = fgetc(fp1);
        }
    return 1;
}