Definition of preprocessor in English:

preprocessor

Line breaks: pre|proces¦sor
Pronunciation: /ˌpriːˈprəʊsɛsə
 
/

noun

  • A computer program that modifies data to conform with the input requirements of another program.
    More example sentences
    • However, we are currently using a ‘temporary’ solution based on the C preprocessor.
    • You need some name that the C preprocessor can recognize to help it sort out the differences between what changes are yours and what are not.
    • The preprocessor format is not quite a patch format and not quite a script.

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