strncpy(char* s1,const char *s2,int n) 和 strchr(cosnt char *s,char c)

標籤：

 1 #include<stdio.h> 2 #include<string.h> 3 int main() 4 { 5      char s1[10] = "abcd"; 6      char s2[10] = "ABCDEF"; 7      printf("s1 =  %s\ns2 = %s\n",s1,s2); 8      strncpy(s1,s2,3); 9      printf("s1 = %s\ns2 = %s\n",s1,s2);10 11      char string[17];12      char *ptr,c = ‘r‘;13      strcpy(string,"This is a string");14      ptr = strchr(string,‘i‘);15      if(ptr)16           printf("the character %c is at position:%s\n",c,ptr);17      else18           printf("the character was not found\n");19 20 21      return 0;22 }23 24 s1 =  abcd25 s2 = ABCDEF26 s1 = ABCd27 s2 = ABCDEF28 the character r is at position:is is a string29 Press any key to continue

 

strncpy(char* s1,const char *s2,int n) 和 strchr(cosnt char *s,char c)