if (c == -1) return -2; /* we should not stop here */ \
while ((c = ks_getc(ks)) != -1 && seq->qual.l < seq->seq.l) \
if (c >= 33 && c <= 127) seq->qual.s[seq->qual.l++] = (unsigned char)c; \
if (c == -1) return -2; /* we should not stop here */ \
while ((c = ks_getc(ks)) != -1 && seq->qual.l < seq->seq.l) \
if (c >= 33 && c <= 127) seq->qual.s[seq->qual.l++] = (unsigned char)c; \