字符串查抄复习

#include"stdio.h"#include"string.h"#include"stdlib.h"int getsubnum1(char *ch, char *sub,int * num){int tem = 0;char * f = ch;do{f = strstr(f,sub);if(f != NULL){f = f + strlen(sub);(*num)++;}if(f == NULL){break;}}while(*f != '\0');}int getsubnum2(char *ch, char *sub,int * num){int tem = 0;char * f = ch;for(;*f != '\0';){if((f = strstr(f,sub)) != NULL){f= f+strlen(sub);(*num)++;continue;}else{break;}}}int main(){char *ch = "abcd11111abcd2222abcdqqqqqabcd11111abcd2222abcdqqqqqabcd11111abcd2222abcdqqqqq";char *sub = "abcd";int x = 0;getsubnum1(ch,sub,&x);getsubnum2(ch,sub,&x);printf("%d\n",x);}