如何用c语言找出一串文本特定字符后面的内容？ c语言中如何将文本中特定字符以及它后面的数据筛选出来并全部输...
\u5982\u4f55\u7528C\u8bed\u8a00\u8bfb\u53d6\u6587\u4ef6\u7279\u5b9a\u5b57\u7b26\u4e4b\u540e\u7684\u6570\u5b57\u5e76\u8fdb\u884c\u64cd\u4f5c#include int main(){int a;double b,c,d;FILE *fp=fopen("data.txt", "r"); //\u6587\u4ef6\u540d\u8bf7\u81ea\u884c\u4fee\u6539if ( fp == NULL )return -1;while( fscanf(fp,"%d %lf %lf %lf\n", &a, &b, &c, &d ) == 4 ){if ( (int)(c+0.001)==10 )printf("%d\n", a );}fclose(fp);return 0;}
\u5b57\u7b26\u4e32\u5c31\u662f \u5b57\u7b26\u6570\u7ec4\uff0c\uff0c\uff0c\uff0c\u6240\u4ee5\u5faa\u73af\u6570\u7ec4\uff0c\u627e\u5230\u5b57\u7b26\u540e\uff0c\u628a\u540e\u9762\u7684\u5b57\u7b26\u7ed9\u53e6\u4e00\u4e2a\u5b57\u7b26\u6570\u7ec4
#include <stdio.h>
#include <string.h>
void func(char *s)
{
char *p,*q;
p=strstr(s,"“name”=“")+strlen("“name”=“");
q=strstr(p,"”");
printf("%.*s
",(int)(q-p),p);
}
int main()
{
char *s1="（其他字符）“name”=“嗨嗨嗨”，（其他字符）",
*s2="（其他字符）“name”=“谢谢你”，（其他字符）",
*s3="（其他字符）“name”=“听我说”，（其他字符）";
func(s1);
func(s2);
func(s3);
return 0;
}
绛旓細缂栬瘧鐜vc2005/dev-c++ include<stdio.h> include<stdlib.h> include<string.h> define N 10000 /* 璁惧畾鏂囦欢鏈澶у瓧绗︿釜鏁颁笉瓒呰繃10000锛屽彲鏇存敼 */ int main(){ int i=0,j,k=0,m=0,pos=0,max,len1,len2;char s[N],t[N],a[200],s1[200],s2[200];FILE *fp;printf("Please ...
绛旓細include <stdio.h>#include <string.h>#include <assert.h>int check(char *s){int i;int len = strlen(s);if (len < 5)return 0;for (i = 0; i < len-5; i++) {if (s[i] == 'f' &&s[i+1] == 'a' &&s[i+2] == 'l' &&s[i+3] == 's' &&s[i+4] ==...
绛旓細鎸変綘杩介棶鐨勮姹傛敼浜嗕竴涓嬨傝繖娈典唬鐮佽兘鎶婇敭鐩樿緭鍏ョ殑鐗瑰畾瀛楃涓插悗闈㈠弻寮曞彿鍐鐨勬枃瀛鎻愬彇鍑烘潵瀛樺叆XYZ.txt鏂囦欢涓傚湪鎻愬彇杩囩▼涓护闄や簡婧愭枃浠朵腑鐨'\n'鍜' '銆備緵鍙傝冣︹nclude "stdio.h"// include "string.h"// include "stdlib.h"// void main(void){ FILE *pR,*pW;char CoStr[20],ln,ch,...
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绛旓細鎵惧埌type=鍚 杈撳嚭鍚庨潰鐨勫崟璇 杩欎釜鍗曡瘝璺熷悗闈㈢殑鍗曡瘝鏄互绌烘牸闅斿紑涔堬紵鎴戞槸涓撻棬鎶樿吘瀛楃涓叉枃鏈鐨 浣犺繖涓緢绠鍗曠殑 鎻忚堪娓呮椹笂灏辫兘鎼炲畾
绛旓細璇诲彇鍏ㄩ儴鏂囨湰涓叏閮ㄥ瓧绗﹀彲浠ヤ娇鐢ㄤ竴涓獁hile寰幆鍔犲垽鏂槸鍚﹁鍙栧埌鏂囦欢缁撳熬鏉ュ疄鐜帮細char ch锛泈hile((ch= fgetc(fp)) != EOF)杩欐牱褰撹鍙栧埌鏂囦欢缁撳熬鏃讹紝while寰幆灏变細缁堟銆侰璇枃缂栧啓缂栬瘧濡備笅锛歩nclude <stdio.h>#include <stdlib.h>#include <string.h>#define MAXLINE 100000#define BUFLEN 1024int ...
绛旓細绀烘剰浠ｇ爜濡備笅 锛岃嚜宸卞啓瀹屾暣鍚 include <stdio.h> include <string.h> FILE *fp;char str[1024];int n=0;fp=fopen("man.txt", "r");while( fgets(str,sizeof(str),fp) ){ if ( strncmp( str, "edge", 4 )==0 )n++;} fclose(fp);printf("n=%d\n", n );
绛旓細include <stdio.h> int main() { char str[] = "hello, world!";int len = sizeof(str) / sizeof(char); // 璁＄畻瀛楃涓茬殑闀垮害 for (int i = 0; i < len; i++) { printf("%c ", str[i]); // 閫愪釜杈撳嚭瀛楃涓蹭腑鐨勫瓧绗 } return 0;} ...
绛旓細/*===CLS file process===*/#include <stdio.h>#include <string.h>#include <stdlib.h>#include <math.h>#include <ctype.h>const double INF = 1e5;const double EPS = 1e-8;char str[1000];int main(){ double ret = INF, tmp; freopen("cls-2.cls","r",stdin);//cl...
绛旓細fgets 3娆″氨鑳借鍒颁綘闇瑕佺殑涓琛屽唴瀹癸紝鍐嶅幓鎺"f:\闊充箰\"杩欓儴鍒 灏卞緱鍒颁綘瑕佺殑鍐呭浜嗐
