Last change
on this file since 413 was 398, checked in by coas-nagasima, 5 years ago |
mbedTLS版Azure IoT Hub接続サンプルのソースコードを追加
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Property svn:eol-style
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Property svn:mime-type
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File size:
263 bytes
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1 | #include "stdio_impl.h"
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2 |
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3 | int ungetc(int c, FILE *f)
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4 | {
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5 | if (c == EOF) return c;
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6 |
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7 | FLOCK(f);
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8 |
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9 | if (!f->rpos) __toread(f);
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10 | if (!f->rpos || f->rpos <= f->buf - UNGET) {
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11 | FUNLOCK(f);
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12 | return EOF;
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13 | }
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14 |
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15 | *--f->rpos = c;
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16 | f->flags &= ~F_EOF;
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17 |
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18 | FUNLOCK(f);
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19 | return c;
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20 | }
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