Everything is a metaphor. What a wonderful world.

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C语言学习笔记之字符串拼接的2种方法——strcat、sprintf

1. 使用strcat进行字符串拼接

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main() {
char *firstName = "Theo";
char *lastName = "Tsao";
char *name = (char *) malloc(strlen(firstName) + strlen(lastName));
strcpy(name, firstName);
strcat(name, lastName);
printf("%s\n", name);
return 0;
}

2. 使用sprintf进行字符串拼接

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main() {
char *firstName = "Theo";
char *lastName = "Tsao";
char *name = (char *) malloc(strlen(firstName) + strlen(lastName));
sprintf(name, "%s%s", firstName, lastName);
printf("%s\n", name);
return 0;
}
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