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millfork/docs/stdlib/string.md
2019-09-04 01:22:40 +02:00

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string

The string module automatically imports the err module.

All the functions are designed to work for the strings in the default encoding. If passed a string in an encoding that has a different null terminator, then the results are undefined and the program will most likely crash or freeze.

byte strzlen(pointer str)

Calculates the length of a null-terminated string.
If the string is longer than 255 bytes, then the behaviour is undefined (might even crash).

sbyte strzcmp(pointer str1, pointer str2)

Compares two null-terminated strings. Returns 0 if equal, non-0 if not equal. If any of the strings is longer than 255 bytes, then the behaviour is undefined (might even crash).

void strzcopy(pointer dest, pointer src)

Copies the source null-terminated string into the destination buffer. If the source string is longer than 255 bytes, then the behaviour is undefined (might even crash).

word strz2word(pointer str)

Converts a null-terminated string to a number. Sets errno.

void strzappend(pointer buffer, pointer str)

void strzappendchar(pointer buffer, byte char)

Modifies the given null-terminated buffer by appending a null-terminated string or a single character respectively.