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} | } | ||
== 1-3 == | == 1-3 == | ||
//strcat | |||
char* strcat(char* dest, const char* src) { | |||
char* tmp = dest; | |||
while (*dest) | |||
dest++; | |||
while (*src != '\0') | |||
(*dest++ = *src++); | |||
return tmp; | |||
} | |||
== 1-4 == | == 1-4 == | ||
Revision as of 00:18, 12 November 2020
1
//strcpy
char strcpy(char* dest, char* source) {
char* dptr = dest;
do {
*dptr++ = *(source++);
} while (*source);
return dest;
}
1-2
//strlen
char strlen(char* dest) {
int length = 0;
for (int i = 0; dest[i] != '\0'; i++) {
length++;
}
return length;
}
1-3
//strcat
char* strcat(char* dest, const char* src) {
char* tmp = dest;
while (*dest)
dest++;
while (*src != '\0')
(*dest++ = *src++);
return tmp;
}