1! { dg-do compile }
2! { dg-options "-Wc-binding-type" }
3! This should compile, though there is a warning about the type of len
4! (return variable of strlen()) for being implicit.
5! PR fortran/32797
6!
7MODULE ISO_C_UTILITIES
8   USE ISO_C_BINDING
9   implicit none
10   CHARACTER(C_CHAR), DIMENSION(1), SAVE, TARGET, PRIVATE :: dummy_string="?"
11CONTAINS
12   FUNCTION C_F_STRING(CPTR) RESULT(FPTR)
13     use, intrinsic :: iso_c_binding
14      TYPE(C_PTR), INTENT(IN) :: CPTR ! The C address
15      CHARACTER(KIND=C_CHAR), DIMENSION(:), POINTER :: FPTR
16      INTERFACE
17         FUNCTION strlen(string) RESULT(len) BIND(C,NAME="strlen") ! { dg-warning "Implicitly declared" }
18            USE ISO_C_BINDING
19            TYPE(C_PTR), VALUE :: string ! A C pointer
20         END FUNCTION
21      END INTERFACE
22      CALL C_F_POINTER(FPTR=FPTR, CPTR=CPTR, SHAPE=[strlen(CPTR)])
23   END FUNCTION
24END MODULE ISO_C_UTILITIES
25