Defined in 2 files as a prototype:

• contrib/sendmail/include/sm/heap.h, line 38 (as a prototype)
• contrib/sendmail/include/sm/heap.h, line 53 (as a prototype)

Defined in 2 files as a function:

• contrib/sendmail/libsm/heap.c, line 170 (as a function)
• contrib/sendmail/libsm/heap.c, line 591 (as a function)

Referenced in 3 files:

• contrib/sendmail/libsm/t-heap.c, line 39
• contrib/sendmail/libsm/ungetc.c, line 69
• contrib/sendmail/libsm/vfprintf.c, line 1111