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  • String Definition in C.
    A string is a group of characters, such as letters, numbers, symbols, and punctuation marks, that are arranged in a linear fashion. A string in C is a group of characters that is finished with the NULL character "0." For instance:
    char str[] = "PrepBytes.\0";
    Like many other programming languages, C encloses strings in double quotes ("") while enclosing characters in single quotes (”).
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  • Since C99 the C library has a set of safe conversion functions that interpret a string as a number.
  • Similar to arrays, In C, we can create a character pointer to a string that points to the starting address of the string which is the first character of the string.
  • The following example defines a string with 6 characters (including the null character), assigns characters to the string elements, and shows the string to the...
  • The string class is an instantiation of the basic_string class template that uses char (i.e., bytes) as its character type, with its default char_traits and allocator types...
  • Arrays and strings are second-class citizens in C; they do not support the assignment operator once it is declared.
  • The C programming language has a set of functions implementing operations on strings (character strings and byte strings) in its standard library.
  • The above character array can store a string up to 15 characters long. You can use any size that fits your requirement.
  • Null character marks the end of the string, it is the only way for the compiler to know where this string is ending.
  • If we want to get the length of the string, we could run a loop and calculate its length, but it is not the best way in case of complex problems.
  • The length of a string in C is just the number of characters in a word, without including the string terminator (despite it always being used to terminate strings).