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#include "stdio.h" int main() { char *ch(char *, char *); char str1[]="I am glad to meet you!"; char str2[]="Welcom to study C!"; printf("%s", ch(str1, str2)); return 0; } char *ch(char *str1, char *str2) { char *p; p=str2; if(*str2 == NULL) return NULL; // exit(-1); do { *str2=*str1; str1++; str2++; }while(*str1!=NULL); return(p); } ÎÊÌâÒ»£ºÎªÊ²Ã´Êä³öÊÇ£ºI am glad to meet you!am glad to meet you! ¼´£ºÎªÊ²Ã´str2[]»á±»¸Ä³ÉI am glad to meet you!am glad to meet you!ÄØ£¿ ÎÒµ¥²½µ÷ÊÔʱ¾õµÃstr2[] = I am glad to meet you!ô£¿ ÎÊÌâ¶þ£ºÔÚchar* ch(char *str1, char *str2)º¯ÊýÖУ¬pÊǾֲ¿Ö¸Õ룬×îºóÓÃreturn(p);À´·µ»ØÖ¸ÕëµØÖ·ÊÇ·ñ ²»Ì«°²È«ÄØ£¿Èç¹ûÊǵϰ£¬ÎÒ¿ÉÒÔÔõô¸Ä»òÕßÔõô×ö±È½ÏºÃ£¿ лл£¡£¡£¡
ûÊ£¬pµÄµØÖ·Êµ¼ÊÉÏÊÇstr2£¬¸Ä¶¯str2¾ÍÊǸÄp£¬ËùÒÔÄÜ·µ»Ø£¬¶øÇÒp»á¸ú×Åstr2µÄ¸Ä¶¯×ß *str2 = '\0'; ÉÙÁËÕâ¸ö, ¹ÛÍûÖРû¶àÉÙ·ÖÁËÒýÓà #include <stdio.h> int main() { char *ch(char *, char *); char str1[]="I am glad to meet you!";
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