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[Bug fortran/78798] [cleanup] some int-valued functions should be bool


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78798

--- Comment #5 from janus at gcc dot gnu.org ---
Looking through gfortran.h, some more candidates which could be converted:

int gfc_at_end (void);
int gfc_at_eof (void);
int gfc_at_bol (void);
int gfc_at_eol (void);

int gfc_check_include (void);
int gfc_define_undef_line (void);

int gfc_wide_is_printable (gfc_char_t);
int gfc_wide_is_digit (gfc_char_t);
int gfc_wide_fits_in_byte (gfc_char_t);

int gfc_generic_intrinsic (const char *);
int gfc_specific_intrinsic (const char *);
int gfc_intrinsic_actual_ok (const char *, const bool);

int gfc_has_vector_index (gfc_expr *);

int gfc_numeric_ts (gfc_typespec *);

int gfc_impure_variable (gfc_symbol *);
int gfc_pure (gfc_symbol *);
int gfc_implicit_pure (gfc_symbol *);
int gfc_elemental (gfc_symbol *);

int gfc_compare_array_spec (gfc_array_spec *, gfc_array_spec *);

int gfc_constant_ac (gfc_expr *);
int gfc_expanded_ac (gfc_expr *);

int gfc_check_digit (char, int);

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