FileHandling18.c

/*
 * 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;
}