strcmp vs. strncmp
The basic difference between these two are:
- strcmp compares both the strings till null-character of either string comes
- strncmp compares at most num characters of both strings.
- But if num is equal to the length of either string than strncmp behaves similar to strcmp.
Strcat function in C
What is the strcat function in C? (String Concatenation)
- In the C Programming Language, the strcat function appends a copy of the string pointed to by s2 to the end of the string pointed to by s1.
- It returns a pointer to s1 where the resulting concatenated string resides.
getchar and putchar in C
What is getchar and putchar in C?
- putchar() function is a file handling function in C programming language which is used to write a character on standard output/screen.
- getchar() function is used to get/read a character from keyboard input.
Library Functions in C
How many libraries are there in C?
- ANSI Standard.
- The ANSI C standard library consists of 24 C header files which can be included into a programmer’s project with a single directive.
- Each header file contains one or more function declarations, data type definitions, and macros.
- The contents of these header files follows.
- Is Main () a library function in C?
- These library functions are created at the time of designing the compilers.
- We include the header files in our C program by using #include