char *p = "String"; You are declaring a pointer that points to a string stored some where in your program (modifying this string is undefined behavior) according to the C programming language 2 ed.

Aug 15, 2012 · The compile time string concatenation almost selled me on using #define s for strings but I'll stick to const char* for type safety using static where applicable.

Aug 30, 2012 · A C-string is a series of characters that is terminated by a 0 byte, otherwise known as a null terminated string. It can be accessed either as an array (char[]) or as a pointer to the first …

i need to share some strings in my c++ program. should i use #define or const string? thanks mystring1.h #define str1 "str1" #define str2 "str2" Or mystring2.h extern const string str1;

Nov 17, 2017 · You don't use a define inside a format string. You use sprintf () to build the format string and pass that to scanf.

Mar 4, 2019 · Finally, string constants are immutable and as such should have type const char []. The C Standard purposely allows programmers to store their addresses into non const pointers as in char …

A "string" is, by definition, "a contiguous sequence of characters terminated by and including the first null character". It's not a data type, it's a data format. An array of char may contain a string. A char* may …

Jul 7, 2009 · In this case, the contents of each string literal (which is itself a zero-terminated array of char) are copied to the memory allocated to strs. The problem with this approach is the possibility of …

Apr 1, 2012 · There are even more ways to create strings in C (e.g. using malloc). What is your usecase? Basically you need a place in memory where the data is stored (on the stack, on the heap, …

Nov 17, 2020 · The comma in string[i] = ("%d", x); and string[i] = ("%d", ans); are comma operator. It is evaluated to the value of second operand, which is x and ans in this case. In this case what you want …