jinyedge's note

jinyedge's note
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Hi, this is jinyedge. I'm a software developer. I hope you can find some useful information in my homepage.

jinyedge at gmail.com
Since 2001.12.05

Subj Cont

Subj: C, Slicing substring.

Mtime: 2009-10-23 22:44:07

#include <stdio.h> #include <string.h> int main(){ char buf[128]; char* line = "Content-Type: text/html; charset=UTF-8"; // Position of `=`. printf("strchr = %d, strstr = %d, strrchr = %d\n" , strchr(line, `=`) - line, strstr(line, "=") - line, strrchr(line, `=`) - line); // Using strncpy. int pos = strrchr(line, `=`) - line; if(pos >= 0){ pos++; // Don`t need `=`. memset(buf, 0, 128); strncpy(buf, line + pos, strlen(line) - pos); printf("++%s++\n", buf); } return 0; }

#include <stdio.h>
#include <string.h>
int main(){
	char buf[128];
	char* line = "Content-Type: text/html; charset=UTF-8";

	// Position of `=`.
	printf("strchr = %d, strstr = %d, strrchr = %d\n"
		, strchr(line, `=`) - line, strstr(line, "=") - line, strrchr(line, `=`) - line);

	// Using strncpy.
	int pos = strrchr(line, `=`) - line;
	if(pos >= 0){
		pos++;		// Don`t need `=`.

		memset(buf, 0, 128);
		strncpy(buf, line + pos, strlen(line) - pos);
		printf("++%s++\n", buf);
	}

	return 0;
}