| atof |
converts a string to a double |
| atoi |
converts a string to an integer |
| atol |
converts a string to a long |
| isalnum |
true if a character is
alphanumeric |
| isalpha |
true if a character is alphabetic |
| iscntrl |
true if a character is a control
character |
| isdigit |
true if a character is a digit |
| isgraph |
true if a character is a graphical
character |
| islower |
true if a character is lowercase |
| isprint |
true if a character is a printing
character |
| ispunct |
true if a character is punctuation |
| isspace |
true if a character is a space
character |
| isupper |
true if a character is an uppercase
character |
| isxdigit |
true if a character is a hexidecimal
character |
| memchr |
searches an array for the first
occurance of a character |
| memcmp |
compares two buffers |
| memcpy |
copies one buffer to another |
| memmove |
moves one buffer to another |
| memset |
fills a buffer with a character |
| strcat |
concatenates two strings |
| strchr |
finds the first occurance of a character
in a string |
| strcmp |
compares two strings |
| strcoll |
compares two strings in accordance to
the current locale |
| strcpy |
copies one string to another |
| strcspn |
searches one string for any characters
in another |
| strerror |
returns a text version of a given error
code |
| strlen |
returns the length of a given
string |
| strncat |
concatenates a certain amount of
characters of two strings |
| strncmp |
compares a certain amount of characters
of two strings |
| strncpy |
copies a certain amount of characters
from one string to another |
| strpbrk |
finds the first location of any
character in one string, in another string |
| strrchr |
finds the last occurance of a character
in a string |
| strspn |
returns the length of a substring of
characters of a string |
| strstr |
finds the first occurance of a substring
of characters |
| strtod |
converts a string to a double |
| strtok |
finds the next token in a string |
| strtol |
converts a string to a long |
| strtoul |
converts a string to an unsigned
long |
| strxfrm |
converts a substring so that it can be
used by string comparison functions |
| tolower |
converts a character to lowercase |
| toupper |
converts a character to
uppercase |