C程序设计语言-函数与程序结构（笔记）

#include <stdio.h>
#define MAXLINE 1000

int getline(char line[],int max);
int strindex(char source[], char searchfor[]);

char pattern[] = "ould";

int main()
{
    char line[MAXLINE];
    int found = 0;

    while (getline(line,MAXLINE) > 0)
        if (strindex(line,pattern) >= 0){
            printf("%s",line);
            found++;
        }
    printf("%d",found);
    return found;
}

int getline(char s[],int lim){
    int c,i;
    i=0;
    while (--lim > 0 && (c=getchar()) != EOF && c != '\n')
        s[i++]=c;
    if (c == '\n')
        s[i++] = c;
    s[i] ='\0';
    return i;
}

int strindex(char s[],char t[])
{
    int i,j,k;

    for (i = 0; s[i] != '\0'; i++) {
        for (j=i,k=0;t[k]!='\0'&&s[j]==t[k];j++,k++)
            ;
        if (k > 0 && t[k] =='\0')
            return i;
    }
    return -1;
}

标签：return,int,程序结构,笔记,char,++,&&,程序设计,line
来源： https://blog.csdn.net/qq_51508864/article/details/120862403