C Language and Libraries Help (clang.hlp) (Table of Contents; Topic list)
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fscanf
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─────Run-Time Library───────────────────────────────────────────────────────
 
     The fscanf function reads data from the current position of
     <stream> into the locations given by <argument> (if any). Each
     argument must be a pointer to a variable with a type
     corresponding to a type specifier in <format>.
 
     The <format> argument controls the interpretation of the input
     fields and has the same form and function as the <format>
     argument for the scanf function. See scanf for a description of
     the <format> argument.
 
     Return Value
 
     The fscanf function returns the number of fields that were
     successfully converted and assigned. The return value does not
     include fields that were read but not assigned. A return value of
     0 means that no fields were assigned. The fscanf function returns
     EOF if an input error occurs before any conversion is performed.
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