ex2-5-1.c

#include <stdio.h>

#define LIMIT 1024

int any(char s1[], char s2[]);
void getline(char s[], int lc);

/* Exercise 2-5. Write the function any(s1,s2), which returns the first location in a string s1
where any character from the string s2 occurs, or -1 if s1 contains no characters from s2.
(The standard library function strpbrk does the same job but returns a pointer to the
location.) */
main()
{
    char str1[LIMIT], str2[LIMIT];
    int lc;
    lc = 0;

    getline(str1, lc);
    getline(str2, lc);

    printf("%s %d\n", str1, lc);
    printf("%s %d\n", str2, lc);
}

/* getline: gets the character input and convert it into a string. */
void getline(char s[], int lc)
{
    int c, i, lim;

    lim = LIMIT;
    i = 0;

    printf("String %d: ", lc);
    while (lim > 0) {
        c = getchar();
        if (c == '\n' || c == EOF) {
            lim = 0;
        }
        else {
            s[i] = c;
            ++i;
        }
    }
    ++lc;
    s[i] = '\0';
}

/* any: returns the first location of the occurring character of s2 in s1 */
int any(char s1[], char s2[])
{

}