Created
December 4, 2010 11:56
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2. 設計一主程式,並呼叫一個副程式StrCat()可以將字串a[]與b[]連接成c[]。 | |
主程式:(1) 輸入兩個字串資料a[]與b[]。(2) 呼叫StrCat (),印出a[]、b[]、c[]之內容。 | |
副程式:StrCat (),將字串a[]與b[]連接成c[],並將結果傳回主程式。 |
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#include <stdio.h> | |
#include <stdlib.h> | |
#define BUFFERSIZE 512 | |
void StrCat(char* dest, const char* str1, const char* str2); | |
// | |
int main(int argc, char* argv[]) | |
{ | |
char a[BUFFERSIZE]; | |
char b[BUFFERSIZE]; | |
char c[BUFFERSIZE]; | |
printf("Input a string: "), gets(a); | |
printf("Input b string: "), gets(b); | |
StrCat(c, a, b); | |
printf("C = %s\n", c); | |
system("PAUSE"); | |
return (0); | |
} | |
void StrCat(char* dest, const char* str1, const char* str2) | |
{ | |
unsigned int i = 0, j = 0; | |
for (; str1[i] != '\0'; i ++, j ++) | |
{ | |
dest[j] = str1[i]; | |
} | |
for (i = 0; str2[i] != '\0'; i ++, j ++) | |
{ | |
dest[j] = str2[i]; | |
} | |
dest[j] = '\0'; | |
} |
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