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18 lines
389 B
C
18 lines
389 B
C
#include <stdlib.h>
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#include <string.h>
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char *strcpys(char *dest,char *src){
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int len1 = strlen(dest);
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int len2 = strlen(src);
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char *res = (char *)malloc(sizeof(char)*(len1+len2+1));
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if(!res){
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printf("malloc failed\n");
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return NULL;
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}
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memcpy(res,dest,len1);
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memcpy(res+len1,src,len2);
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res[len1+len2] = '\0';
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free(src);
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return res;
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} |