aggregate types::Arrays, structures, and unions.
ANSI (American National Standards Institute)::The national institute responsible for defining programming-language standards to promote portability of these languages between different computer systems. The ANSI standard for C became official in 1990.
argc::The traditional name for the first argument to the main function in a C source program. It is an integer that specifies how many arguments are passed to the program from the command line.
argument::A value passed to a function.
argv::The traditional name for the second argument to the main function in a C source program. It is a pointer to an array of strings. Traditionally, the first string is the program name, and each following string is an argument passed to the program from the command line.
array::A set of elements with the same type.
array pointer::A pointer that holds the address of any element of an array.
ASCII (American Standard Code for Information Interchange)::A set of 256 codes that many computers use to represent letters, digits, special characters, and other symbols. Only the first 128 of these codes are standardized; the remaining 128 are special characters that are defined by the computer manufacturer.
automatic variable::A variable, declared in a block, whose value is discarded when the program exits from the block. See “static variable” and “lifetime.”