Source code of some important programs in C
Description of files are given below-
organize_number.c - Enter value to order number from least to greatest and vice versa.
random_guess.c - Number guessing game.
count_letters.c - This program counts each letters from A-Z.
pnum_test.c - This program identifies prime numbers.
time_funct0.c - This program demonstrates asctime() funcrtion uses.
clock_funct.c - This program shows system clock cycles.
local_time_funct.c - This program shows local time of the system.
gm_time.c - This program prints Coordinated Universal Time of the system.
abort_funct.c - This abort() function can terminate the program.
iscntrl_funct.c - This iscntrl() function can check control characters.
isalpha_funct.c - This isalpha() function can check alphabets.
isdigit_funct.c - This isdigit() function can check digits.
isgraph_funct.c - This isgraph() function can check printable characters (without space).
islower_funct.c - This islower() function can check lowercase characters.
isupper_funct.c - This isupper() function can check uppercase characters.
isprint_funct.c - This isprint() function can check printing characters (with space).
ispunct_funct.c - This ispunct() function can check punctuations.
isspace_funct.c - This isspace() function can check whitespace characters.
isalnum_funct.c - This isalnum() function can check alphanumeric characters.
isxdigit_funct.c - This isxdigit() function can check hexadecimal characters.
character_funct.c - This program uses all type of character checking functions.
qsort_funct.c - This qsort() function can sort integer values.
strcmp_funct.c - This strcmp() function can compare strings and use as a password checker.
tolower_funct.c - This tolower() function can convert uppercase letter to a lowercase letter.
toupper_funct.c - This toupper() function can convert lowercase letter to a uppercase letter.
difftime_funct.c - This difftime() function can count time the loop takes to complete.
atoi_funct.c - This atoi() function converts char value to integer.
atof_funct.c - This atof() function converts char value to float.
atol_funct.c - This atol() function coverts char value to long integer.
exit_funct.c - This exit() function used for immediate normal termination.
rand_funct.c - This rand() function can display random numbers.
strlen_funct.c - This strlen() function can measure length of a string.
coin_toss.c - This is a simple coin toss program.
pass_cmd.c - This program checks password in command-line.
remove_funct.c - This function erase a value.
access_struct.c - This program demonstrates some ways to access structure members.