C Kütüphaneleri, stdio.h,stdlib.h,time.h,math.h,string.h

STDIO.H

clearerr Reset error indicators.
fclose Close a stream.
feof Check if End Of File has been reached.
ferror Check for errors.
fflush Flush a stream.
fgetc Get next character from a stream.
fgetpos Get position in a stream.
fgets Get string from a stream.
fopen Open a file.
fprintf Print formatted data to a stream.
fputc Write character to a stream.
fputchar Write character to stdout.
fputs Write string to a stream.
fread Read block of data from a stream.
freopen Reopen a file using a different file mode.
fscanf Read formatted data from a stream.
fseek Reposition stream's position indicator.
fsetpos Reposition file pointer to a saved ********.
ftell Return the current position of the file pointer.
fwrite Write block of data to a stream.
getc Get the next character.
getchar Get the next character from stdin.
gets Get a string from stdin.
getw Get the next int value from a stream.
perror Print error message.
printf Print formatted data to stdout.
putc Write character to a stream.
putchar Write character to stdout.
puts Write a string to stdout.
putw Write an integer to a stream.
remove Delete a file.
rename Rename a file or directory.
rewind Reposition file pointer to the beginning of a stream.
scanf Read formatted data from stdin.
setbuf Change stream buffering.
setvbuf Change stream buffering.
sprintf Format data to a string.
sscanf Read formatted data from a string.
tmpfile Open a temporary file.
tmpnam Generate a unique temporary filename.
ungetc Push a character back into stream.


STDLIB.H

abort Abort current process returning error code
abs Return absolute value of integer parameter
atexit Specifies a function to be executed at exit
atof Convert string to double
atoi Convert string to integer
atol Convert string to long
bsearch Binary search
calloc Allocate array in memory
div Divide two integer values
ecvt Convert floating point value to string
exit Terminate calling process
fcvt Convert floating point value to string
free Deallocate dynamically allocated memory
gcvt Convert floating point value to string
getenv Get string from environment
itoa Convert integer to string
labs Return absolute calue of long integer parameter
ldiv Divide two long integer values
lfind Linear search
lsearch Linear search
ltoa Convert long integer value to string
malloc Allocate memory block
max Return the greater of two parameters
min Return the smaller of two parameters
putenv Create or modify environment variable
qsort Sort using quicksort algorithm
rand Generate random number
realloc Reallocate memory block
srand Initialize random number generator
strtod Convert string to double-precision floating-point value
strtol Convert string to long integer
strtoul Convert string to unsigned long integer
swab Swap bytes
system Execute command
ultoa Convert unsigned long integer to string


STRING.H

memchr Search buffer for a character
memcmp Compare two buffers
memcpy Copy bytes to buffer from buffer
memmove Copy bytes to buffer from buffer
memset Fill buffer with specified character
strcat Append string
strchr Find character in string
strcmp Compare two strings
strcoll Compare two strings using locale settings
strcpy Copy string
strcspn Search string for occurrence of charcter set
strerror Get pointer to error message string
strlen Return string length
strncat Append substring to string
strncmp Compare some characters of two strings
strncpy Copy characters from one string to another
strpbrk Scan string for specified characters
strrchr Find last occurrence of character in string
strspn Get length of substring composed of given characters
strstr Find substring
strtok Sequentially truncate string if delimiter is found
strxfrm Transform string using locale settings


TIME.H

asctime Convert tm structure to string
clock Return number of clock ticks since process start
ctime Convert time_t value to string
difftime Return difference between two times
gmtime Convert time_t value to tm structure as UTC time
localtime Convert time_t value to tm structure as local time
mktime Convert tm structure to time_t value
time Get current time


MATH.H

abs Return absolute value of integer parameter
acos Calculate arccosine
asin Calculate arcsine
atan Calculate arctangent
atan2 Calculate arctangent, 2 parameters
atof Convert string to double
ceil Return the smallest integer that is greater or equal to x
cos Calculate cosine
cosh Calculate hyperbolic cosine
exp Calculate exponential
fabs Return absolute value of floating-point
floor Round down value
fmod Return remainder of floating point division
frexp Get mantissa and exponent of floating-point value
labs Return absolute value of long integer parameter
ldexp Get floating-point value from mantissa and exponent
log Calculate natural logarithm
log10 Calculate logarithm base 10
modf Spli floating-point value into fractional and integer parts
pow Calculate numeric power
sin Calculate sine
sinh Calculate hyperbolic sine
sqrt Calculate square root
tan Calculate tangent
tanh Calculate hyperbolic tangent