All C inbuilt functions which are
declared in all other header files such as stdarg.h, signal.h, setjmp.h,
locale.h, errno.h and assert.h are given below.
List of all other inbuilt functions in C:
| S.no |
Header_file
|
Function
|
Description
|
| 1 | stdarg.h | va_start() | This function indicates the start process of variable length argument list in a program |
| va_arg() | This function is used to fetch the arguments from variable length argument list | ||
| va_end() | This function indicates the end process of variable length argument list in a program | ||
| 2 | signal.h | signal() | It is used to install signal handler |
| raise() | It is used to raise signal in a C program | ||
| 3 | setjmp.h | setjmp() | This function prepares to use longjmp() function |
| longjmp() | It is used for non local jump | ||
| 4 | locale.h | setlocale() | It sets locale() |
| localeconv() | It gets locale conventions | ||
| 5 | errno.h | errno() | This function sets errno value to 0 at the beginning of the program. This value is modified to other than 0 when an error occurs while any function call. |
| 6 | assert.h | assert() | This function gets an integer as paramenter. If this paramenter is 0, writes message to stderr. Then, terminates the program. If this paramenter is non 0, it does nothing. |
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