C语言，一个两个字符串相连接的函数，可以解释一下，为什么？？谢谢 用C语言：写一个函数，将两个字符串连接
C\u8bed\u8a00\u5b57\u7b26\u4e32\u521d\u503c\u5bf9\u51fd\u6570\u8bf4\u660e3 A \u5b9a\u4e49\u6307\u9488\uff0c\u5e76\u8d4b\u503c\u4e3a\u5e38\u91cf\u5b57\u7b26\u4e32\u5730\u5740\u3002 \u6b63\u786e\u3002
B \u5b9a\u4e49\u5b57\u7b26\u6570\u7ec4\uff0c\u521d\u59cb\u5316\u524d\u516d\u4e2a\u5143\u7d20\uff0c\u7b2c\u4e03\u4e2a\u81ea\u52a8\u4e3a\0\uff0c \u6b63\u786e\u3002
C \u5b9a\u4e49\u6570\u7ec4\u540e\uff0c\u4e0d\u53ef\u4ee5\u518d\u7528str1="string"\u65b9\u5f0f\u8d4b\u503c\uff0c\u9519\u8bef\u3002
D str1\u67097\u4e2a\u5143\u7d20\uff0cstr2\u67099\u4e2a\u5143\u7d20\u3002 \u5c06str1\u590d\u5236\u7ed9str2 \u6b63\u786e\u3002
\u9009C
4 str1\u4e3a\u957f\u5ea6\u4e3a4\u7684\u5b57\u7b26\u4e32\uff0c\u53605\u4e2a\u5b57\u7b26\u7a7a\u95f4
str2\u4e3a10\u4e2a\u7a7a\u95f4\u7684\u5b57\u7b26\u6570\u7ec4
str3\u4e3a\u5e38\u91cf\u5b57\u7b26\u4e32\uff0c\u957f\u5ea6\u4e3a7\uff0c\u53608\u4e2a\u5b57\u7b26\u7a7a\u95f4\u3002
str4\u4e3a\u4e0d\u786e\u5b9a\u6307\u9488\u3002
str5\u4e3a\u5e38\u91cf\u5b57\u7b26\u4e32\uff0c\u957f\u5ea6\u4e3a4\uff0c\u53605\u4e2a\u5b57\u7b26\u7a7a\u95f4\u3002
\u9009\u9879\u4e2d\uff0c\u4e25\u683c\u6765\u8bf4 \uff0c\u53ea\u6709A\u662f\u5bf9\u7684 \u3002
BD\u4e24\u4e2a\uff0c\u8d4b\u503c\u7ed9\u5e38\u91cf\u5b57\u7b26\u4e32\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83
C\u8d4b\u503c\u7ed9\u91ce\u6307\u9488\uff0c\u540c\u6837\u51fa\u9519\u3002
\u9009\u81ea\uff1a\u300a\u7a0b\u5e8f\u903b\u8f91\u53caC\u8bed\u8a00\u300b\uff0c\u672c\u89c6\u9891\u4e3a\u5b57\u7b26\u4e32\u7684\u7b2c04\u5c0f\u8282\u3002\u4e3b\u8981\u8bb2\u89e3\u56db\u4e2a\u5e38\u7528\u7684\u5b57\u7b26\u4e32\u5904\u7406\u51fd\u6570\uff0c\u5305\u62ec\uff1a\u6c42\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u3001\u5b57\u7b26\u4e32\u7684\u8d4b\u503c\u3001\u5b57\u7b26\u4e32\u7684\u8fde\u63a5\u5df2\u7ecf\u5b57\u7b26\u4e32\u5927\u5c0f\u7684\u6bd4\u8f83\u3002\u5177\u4f53\u6709\u6848\u4f8b\u8bb2\u89e3\u3002
void mystery1( char *s1, const char *s2 ); //声明函数
int main( void )
{
char string1[ 80 ]; //声明两个字符数组
char string2[ 80 ];
printf( "Enter two strings: " ); //打印提示信息
scanf( "%s%s", string1, string2 ); //输入两个字符串的内容
mystery1( string1, string2 ); //调用mystery1函数
printf( "%s\n", string1 ); //输出字符串string1的内容
return 0;
}
void mystery1( char *s1, const char *s2 ) //定义mystery1函数
{
while ( *s1 != '\0' ) { //逐位检测字符串中的内容直到字符串尾部为止
s1++;
}
for ( ; *s1 = *s2; s1++, s2++ ) { //把字符串s2中的内容逐个地添加到字符串s1的后面
;
}
}
绛旓細void mystery1( char *s1, const char *s2 ); //澹版槑鍑芥暟 int main( void ){ char string1[ 80 ]; //澹版槑涓や釜瀛楃鏁扮粍 char string2[ 80 ];printf( "Enter two strings: " ); //鎵撳嵃鎻愮ず淇℃伅 scanf( "%s%s", string1, string2 ); //杈撳叆涓や釜瀛楃涓茬殑鍐呭 mystery1( string1, ...
绛旓細杩欎釜闂缁嗚冭檻涓涓嬭繕鏄洰澶嶆潅鐨勶紝濡傛灉鍦ㄤ富绋嬪簭涓粰瀹歴1鏄涓涓鎸囬拡鐨勮瘽锛屽嵆char*s1="good";,閭ｄ箞s1鐨勫ぇ灏忔槸缁欏畾鐨勶紝濡傛灉鎯抽氳繃strcat灏涓や釜瀛楃涓茶繛鎺ョ殑缁撴灉鏀惧埌s1涓殑璇濓紝蹇呴』鐢ㄩ摼琛ㄦ潵鍋氾紝闄ら潪浣犱富鍑芥暟涓粰瀹氱殑s1鏄竴涓瓧绗︽暟缁勶紝鑰屼笖鏁扮粍澶у皬瑕佽冻澶熷ぇ锛岃兘澶熷鐨勪笅s1鍜宻2锛岄偅涔堝氨寰堝鏄撳皢s1鏀瑰彉浜嗐
绛旓細void fun (char s1[],char s2[]){ int i,j;for (i=0;s1[i] !=鈥橽0鈥; i++); /*姹傚嚭鐨刬涓簆A瀛楃鐨勬婚暱搴︼紝鍖呮嫭缁撴潫鏍囪浣*/ for (j=0;s2[j] !=鈥橽0鈥; j++)s1[i++]=s2[j]; /*灏唒B瀛楃涓茶繛鍦╬A瀛楃涓茬殑鍚庨潰*/ s1[i]='\0鈥; /*鍦ㄥ瓧绗︿覆鏈鍚庡姞涓婄粨鏉熸爣璁扮*...
绛旓細include<stdio.h>void mystrcat(char a[],char b[]){//鎶奱鍜宐鎷兼帴璧锋潵 int i=0,j=0; while(a[i++]!='\0'); i--; while(b[j]!='\0'){ a[i++]=b[j++]; } a[i]='\0'; }int main(){ char a[100],b[100]; gets(a); gets(b);...
绛旓細void main(){ char s1[80],s2[40];int i=0,j=0;printf("\ninput stringl:");scanf("%s",s1);printf("input string2:");scanf("%s",s2);while(s1[i]!='\0')i++;while(s2[j]!='\0')s1[i++]=s2[j++];s1[i]='\0';printf("The new string is:%s\n",s1);} ...
绛旓細// void fun(char p1[], char p2[]) 鐨勬渶鍚庝竴琛宲2[j]='\0';// 鏀逛负锛歱1[n]='\0';include <stdio.h>void fun(char p1[], char p2[]){int i=0,j=0,n=0;while(p1[i]!=0){i++;n++;}while(p2[j]!=0){p1[n]=p2[j];n++;j++;}p1[n]='\0';}main(){char s1...
绛旓細printf("Input sting2: ");scanf("%s",s2);con(s1,s2,s3);printf("%s\n",s3);} void con(char sting1[],char sting2[],char sting3[]){ int i,j;for(i=0;sting1[i]!='\0';i++)///澶氫釜鍒嗗彿 sting3[i]=sting1[i];for(j=0;sting2[j]!='\0';j++)///澶氫釜鍒嗗彿 st...
绛旓細1銆佸疄闄呬笂灏辨槸瀹炵幇strcat杩欎釜瀛楃涓搴撳嚱鏁帮紝鍦╲c鑷甫鐨刢rt婧愮爜鎴栬卨inux骞冲彴鐨刧libc搴撲腑閮芥湁strcat鐨勬簮鐮侊紝鑷繁鍙互鏌ラ槄鍙傝冿紝鐪嬬湅搴撳紑鍙戣呮槸濡備綍鍐欎唬鐮佺殑锛屽浜庡涔C璇█闈炲父鏈夌敤銆2銆佺ず渚 include <stdio.h> char *strcat(char *str1, char *str2){ if((str1==NULL)||(str2==NULL)) throw "...
绛旓細鎬濊矾锛氳緭鍏涓や釜瀛楃涓a鍜宐锛岄鍏堟壘鍒扮涓涓瀛楃涓瞐鐨勭粨鏉熶綅缃锛屾帴鐫鎶奲鐨勬墍鏈夊厓绱犳斁鍒癮鐨勬湯灏撅紝鏈鍚庡姞涓婄粨鏉熸爣蹇椼傚弬鑰冧唬鐮侊細include<stdio.h>void mystrcat(char a[],char b[]){int i=0,j=0;while(a[i++]!='\0');//鎵惧埌a鐨勭粨鏉熶綅缃 i--;while(b[j]!='\0'){//鎶奲鍏冪礌璧嬪煎埌a...
绛旓細int i=0,j=0;printf("\nInput the first string:");scanf("%s",s1);printf("\nInput the second string:");scanf("%s",s2);while (s1[i] !='\0')i++;while (s2[j] !='\0')s1[i++]=s2[j++]; /* 鎷兼帴瀛楃鍒皊1 */ s1[i] ='\0';printf("\nNew string: %s"...
