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Copying a string in C

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What is best way to copy strings C?

You could use strdup() to return a copy of a C-string, as in: #include <string. h> const char *stringA = "foo"; char *stringB = NULL; stringB = strdup(stringA); /* ... */ free(stringB);

How can I copy just a portion of a string in C?

We can use string function strncpy() to copy part strings. Part of the second string is added to the first string. strcpy(destination_string, source_string, n);

How do I copy one string to another?

Copying one string to another - strcpystrcpy can be used to copy one string to another. Remember that C strings are character arrays. You must pass character array, or pointer to character array to this function where string will be copied. The destination character array is the first parameter to strcpy .

What is strcpy in C with example?

strcpy() is a standard library function in C/C++ and is used to copy one string to another. In C it is present in string. h header file and in C++ it is present in cstring header file. Syntax: char* strcpy(char* dest, const char* src);


I am confused about this code: (http://www.joelonsoftware.com/articles/CollegeAdvice.html)

while (*s++ = *t++);

What is the order of execution? Is *s = *t first done, and then are they each incremented? Or other way around?

Thanks.

EDIT: And what if it was:

while(*(s++) = *(t++));

and

while(++*s = ++*t);