The raise() function in C is a standard library function that sends a signal to the calling process or thread. It is part of the C standard library (signal.h). This function is useful for generating signals within a program, allowing you to test signal handlers or trigger specific behaviors.
The signal() function in C is a standard library function that sets a function to handle a particular signal. It is part of the C standard library (signal.h). This function is useful for handling asynchronous events like interrupts, termination requests, and other signals.
The longjmp() function in C is a standard library function that performs a non-local jump to a saved stack context, effectively restoring the program state to that saved by the most recent setjmp() call. It is part of the C standard library (setjmp.h). This function is useful for implementing error handling and recovery mechanisms in …
The strftime() function in C is a standard library function that formats a struct tm time structure as a string according to a specified format. It is part of the C standard library (time.h). This function is useful for converting time data into human-readable strings in various formats.
The gmtime() function in C is a standard library function that converts a time_t value to a tm structure representing Coordinated Universal Time (UTC). It is part of the C standard library (time.h). This function is useful for converting calendar time to a broken-down time representation in UTC.
The ctime() function in C is a standard library function that converts a time_t value to a string representing the local time. It is part of the C standard library (time.h). This function is useful for converting a time_t value to a human-readable string.
The time() function in C is a standard library function that returns the current calendar time as a time_t object. It is part of the C standard library (time.h). This function is useful for obtaining the current time for various purposes, such as logging, time-stamping, and time calculations.
The mktime() function in C is a standard library function that converts a struct tm representation of calendar time to a time_t value. It is part of the C standard library (time.h). This function is useful for converting broken-down time to calendar time.
The difftime() function in C is a standard library function that returns the difference in seconds between two time_t values. It is part of the C standard library (time.h). This function is useful for calculating the elapsed time between two events.
The clock() function in C is a standard library function that returns the processor time consumed by the program. It is part of the C standard library (time.h). This function is useful for measuring the performance of a program or specific parts of a program.
The toupper() function in C is a standard library function that converts a given lowercase letter to its corresponding uppercase letter. It is part of the C standard library (ctype.h). This function is useful for normalizing text by converting all letters to uppercase.
The tolower() function in C is a standard library function that converts a given uppercase letter to its corresponding lowercase letter. It is part of the C standard library (ctype.h). This function is useful for normalizing text by converting all letters to lowercase.
The isupper() function in C is a standard library function that checks if a given character is an uppercase letter. It is part of the C standard library (ctype.h). This function is useful for determining if a character is an uppercase alphabetic letter.
The isspace() function in C is a standard library function that checks if a given character is a white-space character. It is part of the C standard library (ctype.h). This function is useful for determining if a character is a space, tab, newline, or other white-space characters.
The ispunct() function in C is a standard library function that checks if a given character is a punctuation character. It is part of the C standard library (ctype.h). This function is useful for determining if a character is any printable character that is not alphanumeric or a space.
The isprint() function in C is a standard library function that checks if a given character is printable. It is part of the C standard library (ctype.h). This function is useful for determining if a character is a printable character, including letters, digits, punctuation, and space.
The islower() function in C is a standard library function that checks if a given character is a lowercase letter. It is part of the C standard library (ctype.h). This function is useful for determining if a character is a lowercase alphabetic letter.
The isgraph() function in C is a standard library function that checks if a given character has a graphical representation (i.e., it is a visible character other than space). It is part of the C standard library (ctype.h). This function is useful for determining if a character is a visible, printable character excluding the space …
The isdigit() function in C is a standard library function that checks if a given character is a decimal digit (0-9). It is part of the C standard library (ctype.h). This function is useful for determining if a character is a numeric digit.
The isblank() function in C is a standard library function that checks if a given character is a blank character (a space or a horizontal tab). It is part of the C standard library (ctype.h). This function is useful for determining if a character is a blank space in text processing.
The isalpha() function in C is a standard library function that checks if a given character is alphabetic. It is part of the C standard library (ctype.h). This function is useful for determining if a character is a letter.
The isalnum() function in C is a standard library function that checks if a given character is alphanumeric. It is part of the C standard library (ctype.h). This function is useful for determining if a character is a letter or a digit.
The fabs() function in C is a standard library function that computes the absolute value of a given floating-point number. It is part of the C standard library (math.h). This function is useful for performing mathematical operations where the non-negative magnitude of a number is required.
The fmin() function in C is a standard library function that returns the minimum of two given floating-point numbers. It is part of the C standard library (math.h). This function is useful for performing mathematical operations where the minimum value between two numbers is required.
The fmax() function in C is a standard library function that returns the maximum of two given floating-point numbers. It is part of the C standard library (math.h). This function is useful for performing mathematical operations where the maximum value between two numbers is required.