Introduction to Strings and Arrays in C

These flashcards cover important concepts related to strings and arrays in C programming, including definitions, function usage, and common errors.

What is a string in programming terms?

A sequence of characters stored in a char array.

How does a string in a char array signify its end?

It must end with a null character, written as '\0'.

What is the maximum length of a string that a char array of size 20 can hold?

Strings of lengths 0 to 19.

What happens if a programmer omits the null character when printing a string?

The program may print unexpected values found in memory until a null character is encountered.

How do you traverse a string in C?

Using a loop that stops when reaching the null character.

What is the purpose of the strcpy() function in C?

It copies the source string (up to the null character) to the destination string.

What does the function strncat() do?

It appends a specified number of characters from a source string to the end of a destination string.

How do you access the first string in an array of strings?

Using the first index of the array, e.g., studentNames[0].