Implementation notes: amd64, hydra7, crypto_dh/ecfp256s

Compiler output

alloc.c: alloc.c: In function 'kn_init_fast':
alloc.c: alloc.c:79:25: warning: pointer targets in passing argument 1 of 'kn_exit' differ in signedness [-Wpointer-sign]
alloc.c:    79 |                 kn_exit("kn_init_fast", ERR_OUT_OF_MEMORY);
alloc.c:       |                         ^~~~~~~~~~~~~~
alloc.c:       |                         |
alloc.c:       |                         char *
alloc.c: In file included from alloc.c:27:
alloc.c: _core.h:132:21: note: expected 'sic_t *' {aka 'signed char *'} but argument is of type 'char *'
alloc.c:   132 | void kn_exit(sic_t *s, uni_t code);
alloc.c:       |              ~~~~~~~^
alloc.c: alloc.c: In function 'kn_free_fast':
alloc.c: alloc.c:94:25: warning: pointer targets in passing argument 1 of 'kn_exit' differ in signedness [-Wpointer-sign]
alloc.c:    94 |                 kn_exit("kn_free_fast", ERR_INVALID_MEMORY);
alloc.c:       |                         ^~~~~~~~~~~~~~
alloc.c:       |                         |
alloc.c:       |                         char *
alloc.c: In file included from alloc.c:27:
alloc.c: _core.h:132:21: note: expected 'sic_t *' {aka 'signed char *'} but argument is of type 'char *'
alloc.c:   132 | void kn_exit(sic_t *s, uni_t code);
alloc.c:       |              ~~~~~~~^
alloc.c: alloc.c: In function 'kn_kill_fast':
alloc.c: alloc.c:110:25: warning: pointer targets in passing argument 1 of 'kn_exit' differ in signedness [-Wpointer-sign]
alloc.c:   110 |                 kn_exit("kn_kill", ERR_INVALID_MEMORY);
alloc.c:       |                         ^~~~~~~~~
alloc.c:       |                         |
alloc.c: ...