String Functions: < string.h>

String Functions:

strcpy
copies a string to another
strncpy
copies n characters from a string to another
strcat
concatenates two strings
strncat
concatenates n characters from a string onto another
strcmp
compares two strings
strncmp
compares n characters of two strings
strchr
returns the first occurrence of character in a string
strrchr
returns the last occurrence of character in a string
strspn
returns the length of leading characters in a string that are contained in a specified string
strcspn
returns the length of leading characters in a string not contained in a specified string
strpbrk
returns first occurrence in a string of any character in another string
strstr
returns the first occurrence of one string in another
strlen
returns length of a string
strerror
returns a string corresponding to an error number
strtok
returns a token from a string delimited by specified characters

Memory Functions (Memory treated as an array):

memcpy
copies n characters from one address to another
memmove
same as memcpy, except that overlap is allowed
memcmp
compares n characters at specified addresses
memchr
returns first occurrence of a character in a string at an address
memset
stores a character in first n positions starting at specified address