标题: fgets(); strlen(); strstr();综合应用 [打印本页]

作者: liumei    时间: 2014-4-10 14:27
标题: fgets(); strlen(); strstr();综合应用
#include <stdio.h>
#include <string.h>
#include <ctype.h>    /* fgets() strlen() strstr() */
fgets() strlen() strstr()

int i,j;

int main()
{
char str1[100];
char str2[40];

printf("\nEnter the string to be searched (less than 100 characters):\n");
fgets(str1, sizeof(str1), stdin);

printf("\nEnter the string sought(less than 40 characters):\n");
fgets(str2, sizeof(str2), stdin);

/* overwrite the newline character in each string *///overwrite: 重写
str1[strlen(str1) - 1] = '\0';                                                //用\0取代回车,构成新数组(字符串)
str2[strlen(str2) - 1] = '\0';

printf("\nFirst sting entered:\n%s\n", str1);
printf("\nSecond sting entered:\n%s\n", str2);

/* Convert both strings to uppercase *///uppercase: n. 大写字母
for(i = 0; (str1[i] = toupper(str1[i])); i++);
for(j = 0; (str2[j] = toupper(str2[j])); j++);

printf("\nThe second string %s found in the first",((strstr(str1,str2)==NULL)?"was not":"was"));

return 0;
}

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psb(87).png





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