1.all_functions.sh

# CCExtractor Sample Exercise No. 1 for GSoC 2016:
# Find all functions in CCExtractor.

#!/bin/sh

SRCDIR="../ccextractor/src/"

types="(const|volatile|restrict|atomic|_Atomic|static|extern|inline|signed|unsigned|void|char|short|int|long|float|double|bool|_Bool|size_t|ssize_t|ptrdiff_t|([u]?int(_least|_fast|ptr|max)?[0-9]+_t))+"
identifiers="([[:alnum:]]|_)+"

for file in $(find "$SRCDIR" -name '*.c' -o -name '*.h'); do
    #grep PNG_FUNCTION "$file"
    grep -E --color=always "^[[:space:]]*${types}[[:space:]]${identifiers}[[:space:]]*[(]" "$file"
done

# repeated
# deal with comments
# macros?
# complex and user-defined data types