[英]split a multi-line string in C
如何在const char *數組中拆分多行字符串?
這是輸入字符串。
const char* str = "122.123,-38.789"
"122.123,-39.78";
我需要從中得到兩個字符串。
str1 = "122.123,-38.789";
str2 = "122.123,-39.78";
輸出
printf("string='%s'", str)
string='122.123,-38.789122.123,-39.78'
應該怎么做才能拆分此字符串?
使用char數組*
#include <stdio.h>
const char* str[] = { "122.123,-38.789" , "122.123,-39.78" };
int main(){
printf("%s\n%s\n",str[0],str[1] );
return 0;
}
C預處理器將字符串放置在一起,
const char* str = "122.123,-38.789"
"122.123,-39.78";
字符串之間的換行符被解析為空白,與空格或制表符相同。 因此,它等效於:
const char* str = "122.123,-38.789" "122.123,-39.78";
預處理器轉換為
const char* str = "122.123,-38.789122.123,-39.78";
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