Indroduction to C

Posted by Kalyan Kurasala | No comments

In Computer Programming, C is a general-purpose programming language. It was developed by Dennis Ritche at AT&T Bell Labs in between 1969-1972 with his friend Ken-Thompson. C is a Structured Programming. In 1989, American National Standards Institute (ANSI) published a standard for C, is called C89. In 1990, the same specification was proposed by ISO, is alled C90. In 1999, ISO again released the Internationalization standards, is called C99. Now the current version of standard is known as C11, was proposed in 2011.

According to C89, we have 32 keyword in C language. Those are

auto break case char const

continue default do double else

enum extern float for goto

if int long register return

short signed sizeof static struct

switch typedef union unsigned void

volatile while

In C99, another 5 keywords are added. Those are

_Bool _Complex _Imaginary inline restrict

In C11, another 7 keywords are added. Those are

_Alignas _Alingnof _Atomic _Generic