Unit strings
Description
Null-terminated string (PChar) routines.
Overview
Functions
| Name | Declaration |
|---|---|
| CompareStr | function CompareStr( S1,S2 : string) : integer; |
| AnsiCompareStr | function AnsiCompareStr( S1: string; S2: string ):Integer; |
| strlen | function strlen(str : pchar) : int64; external ‘c’ name ‘strlen’; |
| stralloc | function stralloc(L : int64) : pchar; |
| strcat | function strcat( dest : pchar; src : pchar ): pchar; external ‘c’ name ‘strcat’; |
| strcomp | function strcomp( str1 : pchar; str2 : pchar ): integer; external ‘c’ name ‘strcmp’; |
| strcopy | function strcopy( dest : pchar; src : pchar ): pchar; external ‘c’ name ‘strcpy’; |
| strdispose | function strdispose( str : pchar ): integer; external ‘c’ name ‘free’; |
| strecopy | function strecopy( dest : pchar; src : pchar ): pchar; external ‘c’ name ‘strcpy’; |
| strend | function strend( str : pchar ): pchar; external ‘c’ name ‘strend’; |
| tricomp | function tricomp( str1 : pchar; str2 : pchar ): integer; external ‘c’ name ‘strcmp’; |
| stripos | function stripos( str1 : pchar; str2 : pchar ): integer; external ‘c’ name ‘stristr’; |
| striscan | function striscan( str : pchar; ch : char ): pchar; external ‘c’ name ‘strchr’; |
| strlcat | function strlcat( dest : pchar; src : pchar; maxlen : integer ): pchar; external ‘c’ name ‘strncat’; |
| strlcopy | function strlcopy( dest : pchar; src : pchar; maxlen : integer ): pchar; external ‘c’ name ‘strncpy’; |
| strlen | function strlen( str : pchar ): int64; external ‘c’ name ‘strlen’; |
| strlicomp | function strlicomp( str1: pchar; str2: pchar; l: integer ):integer; external ‘c’ name ‘strncasecmp’; |
| strlower | function strlower( str : pchar ): pchar; external ‘c’ name ‘strlwr’; |
| strmove | function strmove( dest: pchar; source: pchar; l: int64 ):pchar; external ‘c’ name ‘memcpy’; |
| strnew | function strnew( str : pchar ): pchar; external ‘c’ name ‘malloc’; |
| strpas | function strpas( str : pchar ): string; external ‘c’ name ‘strdup’; |
| strpcopy | function strpcopy( dest : pchar; src : string ): pchar; external ‘c’ name ‘strcpy’; |
| strpos | function strpos( str1 : pchar; str2 : pchar ): pchar; external ‘c’ name ‘strstr’; |
| strriscan | function strriscan( str : pchar; ch : char ): pchar; external ‘c’ name ‘strrchr’; |
| strrscan | function strrscan( str : pchar; ch : char ): pchar; external ‘c’ name ‘strchr’; |
| strscan | function strscan( str : pchar; ch : char ): pchar; external ‘c’ name ‘strchr’; |
| strupper | function strupper( str : pchar ): pchar; external ‘c’ name ‘strupr’; |
Structures and Classes
Functions
CompareStr
Description
returns 1 if the string S2 is greater then S1, -1 if the string is smaller and 0 if both are equal
Params
| Name | Description |
|---|---|
| S1 | first string to compare |
| S2 | second string to compare with |
AnsiCompareStr
Description
AnsiCompareStr compares two strings and returns the following result:
strlen
Description
returns the length of the given pointer to a character
Params
| Name | Description |
|---|---|
| str | null terminated string |
stralloc
Description
Allocate memory for a new null-terminated string on the heap
strcat
Description
Concatenate 2 null-terminated strings.
Params
| Name | Description |
|---|---|
| dest | destination string |
| src | source string |
strcomp
Description
Compare 2 null-terminated strings, case sensitive.
Params
| Name | Description |
|---|---|
| str1 | first string to compare |
| str2 | second string to compare |
strcopy
Description
Copy a null-terminated string
strdispose
Description
disposes of a null-terminated string on the heap
strecopy
Description
Copy a null-terminated string, return a pointer to the end.
strend
Description
{ Return a pointer to the end of a null-terminated string
tricomp
Description
Compare 2 null-terminated strings, case insensitive.
stripos
Description
Return the position of a substring in a string, case insensitive.
striscan
Description
Scan a string for a character, case-insensitive
strlcat
Description
Concatenate 2 null-terminated strings, with length boundary.
strlcopy
Description
Copy a null-terminated string, limited in length.
strlen
Description
Length of a null-terminated string.
strlicomp
Description
Compare limited number of characters in 2 null-terminated strings, ignoring case.
strlower
Description
Convert null-terminated string to all-lowercase.
strmove
Description
Move a null-terminated string to new location.
strnew
Description
Allocate room for new null-terminated string.
strpas
Description
Convert a null-terminated string to a shortstring.
strpcopy
Description
Copy a pascal string to a null-terminated string
strpos
Description
Search for a null-terminated substring in a null-terminated string
strriscan
Description
Scan a string reversely for a character, case-insensitive
strrscan
Description
Find last occurrence of a character in a null-terminated string.
strscan
Description
Find first occurrence of a character in a null-terminated string.
strupper
Description
Convert null-terminated string to all-uppercase