9 calls to drupal_strlen() in Drupal 6

node_teaser in modules/node/node.module

Generate a teaser for a node body.

search_expand_cjk in modules/search/search.module

Basic CJK tokenizer. Simply splits a string into consecutive, overlapping sequences of characters ('minimum_word_size' long).

search_index in modules/search/search.module

Update the full-text search index for a particular item.

theme_username in includes/theme.inc

Format a username.

truncate_utf8 in includes/unicode.inc

Truncate a UTF-8-encoded string safely to a number of characters.

user_validate_name in modules/user/user.module

Verify the syntax of the given name.

_form_validate in includes/form.inc

Performs validation on form elements. First ensures required fields are completed, #maxlength is not exceeded, and selected options were in the list of options given to the user. Then calls user-defined validators.

_process_comment in includes/common.inc

Process comment blocks.

_search_parse_query in modules/search/search.module

Helper function for search_parse_query();