Libft(18) - isalnum ISALNUM(3) BSD Library Functions Manual ISALNUM(3) NAME isalnum -- alphanumeric character test LIBRARY Standard C Library (libc, -lc) SYNOPSIS #include int isalnum(int c); DESCRIPTION The isalnum() function tests for any character for which isalpha(3) or isdigit(3) is true. The value of the argument must be representable as an unsigned char or the value of EOF. In the ASCII c..

Libft(17) - isdigit ISDIGIT(3) BSD Library Functions Manual ISDIGIT(3) NAME isdigit, isnumber -- decimal-digit character test LIBRARY Standard C Library (libc, -lc) SYNOPSIS #include int isdigit(int c); int isnumber(int c); DESCRIPTION The isdigit() function tests for a decimal digit character. Regardless of locale, this includes the following characters only: ``0'' ``1'' ``2'' ``3'' ``4'' ``5''..

Libft(16) - isalpha ISALPHA(3) BSD Library Functions Manual ISALPHA(3) NAME isalpha -- alphabetic character test LIBRARY Standard C Library (libc, -lc) SYNOPSIS #include int isalpha(int c); DESCRIPTION The isalpha() function tests for any character for which isupper(3) or islower(3) is true. The value of the argument must be representable as an unsigned char or the value of EOF. In the ASCII cha..

Libft(15) - atoi ATOI(3) BSD Library Functions Manual ATOI(3) NAME atoi, atoi_l -- convert ASCII string to integer LIBRARY Standard C Library (libc, -lc) SYNOPSIS #include int atoi(const char *str); #include int atoi_l(const char *str, locale_t loc); DESCRIPTION The atoi() function converts the initial portion of the string pointed to by str to int representation. It is equivalent to: (int)strto..

Libft(14) - strncmp STRCMP(3) BSD Library Functions Manual STRCMP(3) NAME strcmp, strncmp -- compare strings LIBRARY Standard C Library (libc, -lc) SYNOPSIS #include int strcmp(const char *s1, const char *s2); int strncmp(const char *s1, const char *s2, size_t n); DESCRIPTION The strcmp() and strncmp() functions lexicographically compare the null-terminated strings s1 and s2. The strncmp() funct..

Libft(13) - strnstr STRSTR(3) BSD Library Functions Manual STRSTR(3) NAME strstr, strcasestr, strnstr -- locate a substring in a string LIBRARY Standard C Library (libc, -lc) SYNOPSIS #include char * strstr(const char *haystack, const char *needle); char * strcasestr(const char *haystack, const char *needle); char * strnstr(const char *haystack, const char *needle, size_t len); #include #include..