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Using strcpy and strcat. Or sprintf. Or strlen+memcpy. There are more than solutions.

Q: To copy two strings using strcpy?

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Related answers

Using strcpy and strcat. Or sprintf. Or strlen+memcpy. There are more than solutions.

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They do different things, so they are uncomparable.

PS: strcpy can be implemented with strlen+memcpy:

char *strcpy (char *dest, const char *src)

{

size_t len;

len= strlen (src);

memcpy (dest, src, len);

return dest;

}

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In short, you don't. strncpy is deemed unsafe as it has potential to cause buffer overruns. To copy strings safely in C++, use std::string instead.

For examples and syntax, see related links, below.

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strcpy

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char* strcpy(const char* src, char* dst) { char* tmp = dst; while ((*dst++ = *src++) != '\0'); return tmp; }

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